01166+7402 HJ 2028AB

Coord 2000	01166+7402		Discov num	HJ 2028		Comp	AB		Coord arcsec 2000	01 16 36.23 +74 01 36.5
Date first	1831		Date last	2018		Obs	30
Pa first	206		Pa last	204		P.A. Now (θ)	204°
Sep first	40.0		Sep last	62.6		Sep. Now (ρ)	62.6"
Mag pri	7.06		Mag sec	7.88		delta mag (ΔM)	0.82		Spectral class	B9 (blue-white)
Pri motion ra	-001		Sec motion ra	+005
Pri motion dec	-003		Sec motion dec	-013
Notes	N (See Notes)

Visually invisible, K-band or other infrared star rPM=0.837 This double is not physical.

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		4360	01166+7402	HJ 2028	AB	1831	2018	30	204	62.6	7.06	7.88	0.82		<===
Show		4359	01166+7402	HJ 2028	BC	1908	2015	7	212	48.9	7.88	12.70	4.82

Triple system
3 visible stars in this system

Precise pa	203.5		Precise sep	62.6		Constellation	Cassiopeia		SAO	4360
HIP	5950		Tycho2	4309-00960-1		Gaia DR2	7934336384		HD	7406
BD	BD+73 61		Distance	549.45		Distance ly	1792.31

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
01166+7402	HJ 2028	AB	2001	20	205	60.8	7.06	7.88	B9	D	011636.23+740136.5
01166+7402	HJ 2028	AB	2003	22	204	61.1	7.06	7.88	B9	N D	011636.23+740136.5
01166+7402	HJ 2028	AB	2010	24	204	61.4	7.06	7.88	B9	N	011636.23+740136.5
01166+7402	HJ 2028	AB	2017	26	204	61.5	7.06	7.88	B9	N	011636.23+740136.5
01166+7402	HJ 2028	AB	2018	30	204	62.6	7.06	7.88	B9	N	011636.23+740136.5

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